79580021022 has 128 divisors (see below), whose sum is σ = 187188019200. Its totient is φ = 25009804512.

The previous prime is 79580020979. The next prime is 79580021029. The reversal of 79580021022 is 22012008597.

79580021022 is a `hidden beast` number, since 79 + 580 + 0 + 2 + 1 + 0 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79580021029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76592379 + ... + 76593417.

It is an arithmetic number, because the mean of its divisors is an integer number (1462406400).

Almost surely, 2^79580021022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79580021022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93594009600).

79580021022 is an abundant number, since it is smaller than the sum of its proper divisors (107607998178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79580021022 is a wasteful number, since it uses less digits than its factorization.

79580021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 79580021022 in words is "seventy-nine billion, five hundred eighty million, twenty-one thousand, twenty-two".